Technical description and composition of the SUPRA STV-LC32T810WL TV, panel type and modules used. The composition of the modules.SUPRA LED
Model: STV-LC32T810WL
Chassis / Version: V2L08
Panel: TP315BT01-A
LED driver (backlight): integrated into MainBoard
Power Supply (PSU): integrated into MainBoard
MainBoard: T.MSD309.BA1B
IC MainBoard: GD25Q32
Tuner: CDT-9NT352-10
SUPRA LED
Model: STV-LC32T810WL
Chassis / Version: TP.VST59.P83
Panel: TC315F3E5-A
LED driver (backlight): integrated into MainBoard
PWM LED driver: OB3350CP
Power Supply (PSU): integrated into MainBoard
PWM Power: LD7536
MOSFET Power: 7N60
MainBoard: TP.VST59.P83
IC MainBoard: Flash 25Q32
Tuner: CDT-3NP5i1-10
STV-LC32T810WL Specifications
SUPRA STV-LC32T810WL
General recommendations for TV LCD LED repair
Diagnostics of malfunctions and repair of SUPRA STV-LC32T810WL, like other electronic devices, it is recommended to begin with an external examination of external and internal elements. From visible external changes in the state of components, it is often possible to determine the further direction of troubleshooting before taking the necessary measurements. In some cases, defective elements are visible to the naked eye, for example, charred resistors or swollen sintered capacitors, or electrolytic ones in rectifier filters. The formed ring cracks in the soldering of the terminals of transformers or heating circuit elements are also frequent sources of many malfunctions with a variety of external manifestations.
If SUPRA STV-LC32T810WL does not turn on, no indicator lamps on the front panel will light up or blink, therefore, there is a very high probability of a power module malfunction. In some cases, only the processor power supply regulator may be faulty. Diagnostics and repair of the common power supply should always begin with checking the mains fuse and the condition of the electrolytic capacitors of the secondary rectifier filters. Defective and swollen capacitors should be replaced with new ones. If the fuse breaks, it is advisable to check for breakdown, first of all, all the power semiconductor elements of the converter and the diode bridge of the mains rectifier, as well as the large electrolytic capacitor of the mains rectifier filter.
In most cases, breakdowns of keys in switching power supplies (SMPS) do not occur without reason and you should look for other faulty circuit elements that could provoke a defect. This can be dry electrolytic capacitors in the primary circuit, and faulty damper elements, as well as broken resistors or punctured semiconductor elements in the stabilization circuits. Possible defect of the PWM chip from the manufacturer.
If SUPRA STV-LC32T810WL does not have an image, there is sound and the channels are switched, there is a possibility of a malfunction in the LED circuit of the TC315F3E5-A panel backlight or their power converter - LED driver. Sometimes, when turned on, the image appears and immediately disappears. In such cases, it is necessary to check the electrolytic capacitors of the power supply filter of the LED driver itself, including in the secondary rectifier of the main power supply unit.
In most cases when there is no backlight, it becomes necessary to disassemble the panel in order to check the LEDs, connectors, loops and all contact connections. If one or more LEDs do not work in one line, therefore, they are punctured and should be replaced.
It is impossible to detect a break in the LED line without disassembling the panel with a simple multimeter. The LEDs are connected in series and a voltage of several tens of volts is required to open their junctions. Ideally, a current source is suitable for such purposes.
The TP.VST59.P83 motherboard must be checked if there is no reaction to the remote control and function buttons, the standby indicator blinks or is on continuously. In such cases, if the converters or power regulators of the microcircuits are working, it may be necessary to update the software.
Complex repair of MB (SSB) is possible only in the conditions of a service center with the necessary equipment. Checking or replacing Flash 25Q32 elements requires the necessary training and professional skills in repairing modules at the component level. Problems associated with BGA soldering technologies can be diagnosed by the warm-up method.
Owners of the STV-LC32T810WL TV are advised to contact only qualified specialists with experience for repair! Attempts to repair yourself without the appropriate knowledge and skills can lead to serious negative consequences!
DOWNLOAD SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> Service manual and sсhematic diagram TP.VST59.P83-65W18
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC32T810WL V2L08, Main: T.MSD309.BA1B, Panel: TP315BT01-A
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC32T810WL, Main: TP.VST59.P83, Panel: tc315f3e5-aThe appearance of MainBoard TP.VST59.P83 and voltage measurements at test points are shown in the figure below:
TP.VST59.P83
The appearance of MainBoard TP.VST59.P83 and voltage measurements at test points are shown in the figure below:TP.VST59.P83
The TP.VST59.P83 motherboard is combined with a power supply module and is an independent device based on the TSUMV59Xxx multifunctional processor. Repair of such a board must begin with checking the power supply elements, as well as the operability of voltage converters and linear stabilizers required to supply power to certain processor nodes, in particular: core power supply + 1.2V, built-in DDR + 1.8V memory and stand-by mode node by 3.3V. The supply voltage of the LCD panel is 5V or 12V, depending on the type of panel used, it is necessary to check directly on the LVDS connector.
TP.VST59.P83 can be used in TVs:
AKAI LEA-28A08W (Panel ST2751A01-1), ERISSON 39LEN52 (Panel TLV3931-02), ERISSON 32LEN52 (Panel TLV3231-01), FUSION FLTV-32L28B (Panel TH315B051-MD1), FUSION FLTV-39LF28B (Panel V390HJ1-P , FUSION FLTV-32L41B (Panel DBMS315LK09-C), FUSION FLTV-40LF28B (Panel DBMS400LK01-A), HYUNDAI H-LED32V18 (Panel CX315DLEDM T320XVN02.A), MYSTERY MTV-4023LDLW (R) -39D1305F (Panel V390HJ1-P02 Rev. C1), RUBIN RB-32D3U (Panel T320XVN01.0), RUBIN RB-39D3F (Panel CX390DLEDM), SHIVAKI STV-40LED5 (Panel V390HJ1-P01 Rev C1), SUPRA STV-LC32 Panel TH315B051-MD2), SUPRA STV-LC32T810WL (Panel TC315F3E5-A), SUPRA STV-LC32880WL (Panel HE315GH-E77GM \ PW1), SUPRA STV-LC2825WL (Panel SM275TC30), SUPRA STV-LC32820WL () SUPRA STV-LC32810WL (Panel TC315F3E5-A), TELEFUNKEN TF-LED32S7 (Panel ST3151A05-5 CX315DLEDM).
Main features of SUPRA STV-LC32T810WL device:
Installed matrix (LED panel) TC315F3E5-A.
To power the backlight LEDs, a converter combined with the TP.VST59.P83 main board is used, controlled by the OB3350CP PWM controller.
The power module is combined with the MainBoard and is made according to the AC / DC flyback voltage converter circuit using LD7536 microcircuits and 7N60 power switches.
MainBoard - the main board (motherboard) is a TP.VST59.P83 module, using Flash 25Q32 chips and others.
The CDT-3NP5i1-10 tuner provides reception of television programs and tuning to channels.
SUPRA LED TV STV-LC32T810WL with LCD TC315F3E5-A, 32 "(81 cm) 16: 9. The required brightness of the screen 350 cd / m² is provided by LED backlight. Dynamic contrast ratio of 60,000: 1 is achieved by special control operation of LEDs depending on the illumination of areas in the scene. The display technology of the model uses LED LED backlight. It is possible to view broadcasts and films and images in high quality HD at a resolution of 1366x768 pixels in the standard of graphic decomposition 720p (HD Ready). Input high-frequency or video signal is decoded in analog systems PAL, SECAM, NTSC Graphic processing and digital signal shaping is performed in 480i, 480p, 576i, 576p, 720p, 1080i, 1080p standards Supported multimedia file formats: MP3, MPEG4, DivX, MKV, JPEG.
Speaker power 20 W (2x10 W) is provided by two speakers. The NICAM STEREO audio processing system is used.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, SCART, RGB, VGA, HDMI x4, USB. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector on the TV case is used, this interface supports resolutions: 640x480, 800x600, 1024x768, 1280x1024, 1360x768. The digital tuner is capable of receiving TV channels in DVB-T standards.
The power consumed by the TV in operating mode from the network is 75 watts.
Dimensions: With stand 750x555x180 mm, Without stand 750x515x55 mm.
TV weight: 9.2 kg.
Attention! The panel TC315F3E5-A of the SUPRA STV-LC32T810WL LED TV is an expensive and unreliable element.
Do not allow any impacts on the glass and pressure on the screen surface to avoid damage to the LED panel!
It is also unsafe for liquid to spill onto the screen. Sometimes one drop is enough if it drips down the glass onto the cables to make the TV non-repairable.